This is one
problem that you don't want to get out of hand, act as soon as you become aware
there is a problem, remember it is often a symptom of other issues. Usually
aggression is a sign your dog has not been socialized, this is a very important
part of your dog’s training.

This is annoying to you and your neighbors, why is your dog making all that noise,
what is the problem. You need to check what is happening in your dog’s day is
your dachshund bored, lonely, fearful or attention seeking.

Digging is a common problem in all dogs, dachshunds have a hunting and burrowing ancestry, so are naturally attracted to this behavior. They enjoy burying bones or toys, but this is not usually a problem unless they
are bored or left alone for long periods.

If
you are unable to solve your dogs behaviour problem with standard
behaviour training methods you may need to seek advice from a
professional dog trainer who specializes in behavior problems in dogs